Shear-sharpener vise



Aug. 21, 1928. 1,681,763

F. EATON SHEAR SHARPENER VI SE Filed April 26, 1926 Patented Aug. 21, 1928.

1 UNITED STATES FRANK EATON, F DES lllIOINES, IOWA.

SHEAR-SHARPENER -VI SE.

Application filed April 26, 1926. Serial No; 104.786.

The object of my invention is to. provide a simple, durable and comparatively'inexpensive visewhereby shears may be sharp ened and the properbeveled edge applied to 6 the shears. T

Still afurther object is to providea guide for the file wherein the movement across the edge of the shears may beunitorm and in a straight line across the edge itself.

member for the file which may be adjusted to different heights, thus permitting the bevel upon the shear to be variedas desired. c

1 Still a further object is to provide a clamp for retaining the shears in proper po sition for filing, one side of the clamp being higher than the other so that as the shears are ground or filed at the outer edge,-t-he angle of thebevel is changed so that when both of the shear members are brought into v contact with each other, a sharper cutting edge is had.

With these and other objects in view, my

invention consists in the construction, ar-

rangement and combination of theevarious parts of my invention, whereby they objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claims, and illustrated in the accompanying drawings,- in which: M

Fig. l is a top plan view of my improved shear sharpener vise with parts'in operative position.

5 Figure 2 is a side view of the same, one

position of the guide for the file being shown in dotted lines.

Figure 8is a vertical sectional view taken 011 line 83 of Figure 2, and

Figure 4 is a detail sectional view taken on line H of Figure 1.

In the accompanying drawings I have used the reference numeral 10 to indicate generally a base for my shear sharpener '45 vise, which may be of wood or other suitable material.

Mounted on the vice A made of two parts 11 and 12. The part 11 includes a flat horizontally arranged fastening flange 13 which is secured to the base 10 by screws or the like 14.

One end of the base 16 is arranged at an angle so that the clamp device A' when Still a further'object is to provide a guide base 10 is a clamping deplaced upon the baseis also at an angle as shown n Figure 1 ofthe drawings.

The member 12' of the :clamp device Ais positioned substantially along the side of the member 11 and these twoqparts are connected together by a bolt 15 having a thumb nut 16 thereon whereby. a" pair of shears 17 may be positioned between the members 11 and 12 and securely helld in position therebetween by tightening the bolt 15 and nut 16. 1 i V d r The shears 17 are mounted in the clamp deviceA shown in Figures 1 and 2 of the drawings.

It will be noted that the members 11 and 12 are arranged at an angle so thatwhenthe shears 17 are mounted therebetween they are also at an angle and this givesane the proper angle orbevel for the cutting edge of the shears. 1 v

A guide is necessary in order to insure a proper edge for the shears and my guide device :includesa pair of upright arms 18 as has just been described. and as pivotally mounted upon a bolt 19. extending through the base 10 from side to side.

The rod 19 has a threaded endupon which is mounted thethumb nut 20:,so that the arms 18 maybe frictionallyengaged and lockedin any pivotedposition against the base-10. i d g I Extending through thc'upper ends of the arms 18' and connectin'gthem together is a guide rod 21. Slidably mounted upon the guide rod 21' between the arms 18 is a sleeve 22 having an upwardly formed thereon. a

The flange 23 has an opening 24 therein. Extending through theopening 24 is a rod 25 having a fitting 26 at one end provided with a notch or slot 27.

A thumb nut 28 is mounted in the fitting 26 and adapted to project into the slot 27. A file 29 is arranged to project intothe slot 27 and to be securely fixed to the fitting 26 by the thumb nut 28. v a

From the construction of the parts just described it will be seen that the file 29 and the rod25 when connected together form a single element which is movable back and forth across the cutting edge of the shears In the practical operation of my device the shears are placed in position in the extending flange -23 rod 21 and as the file is operated: closer tothe end of the shears the sleeve travels to-' Ward one side of the entire devicep- The sleeve 22 is free to travel upon the rod 21. The-arms 18 may be raisedor lowered so that the particularheight of the guide rod 21- may be varied as desired.

The clamping device 'Aahasitsupper edge I slightly'inclined so that when the'sliears are mounted therein and when the filing is done hear "the free end of the shears thenthe bevel is slightly greater so as to insure a keen cutting edge."

The entire vise may be'mounted upon a support of any kind and an opening 30 is provided for this purpose in thebase 10. The advantage ofmy construction resides in the movable-sleeve 22 upon the guide rod 21 wherein thefile may be guided as the same-isdrawn over the edge of the shears; The same angle or bevel is had whether the filing is done close tothe pivot point of the" shears or at the outer point of the shears due to the fact that the sleeve 22 shifts longitudinallyupon the rod 21. v

The varying of the height of the guide rod" 21en'ables me toput different'flbeveled edges upon the shears and" when the parts areonce adjustedtheedge placedv upon the shears 'will'b e' uniform;

Some changes may be made in the con structionand arrangement of the various parts of myinvention,- without departing from the real spirit and purpose ofmy'inventi'oinand it'is my intention to-cover by my claims, any modified forms of structure or use of mechanical equivalents, which may be. reasonably included within; their scope.

I claimr as my invention:

1. Ina device of the class described, a

base,-, avise mounted upon one end thereof adapted to receive a pair of shear-s, a file guide-mounted upon the other end of said base, said file guideincluding a transverse guiderod; ia 'sleevei thereon whereby a file may be guided from one side of the device 'to'tlieother side thereof, a ain of arms carr-yingfsaid" rod;- the lower ends of said arms beingjpivotedto saldbase on a rod extending, through the" base and theanns, a

head on one end of said rod and. 391111; on a the other end, both of which bear'against the arms on said bolt whereby tlienlieight of the guide rodabove the 'base may be ad 7 justed by: adjusting the angle ofsaid'; arms.

2; A shear sharpeningfdevicecomprising a' base; a visa mounted oni one end thereof and arranged at" an angles relative to the sides of the. base; a guiderod; extending across said base from side to slde, a sleeve.

thereon capable of? movement. from: oneend of said guide rod to the other end thereof, a file engaging rod slidably' mounted relative to said s leeve, said file' engaging rod including a fittingadapted: to be secured to one end of a file, said guide-'rOdibeing-suP- ported by arm'swhich areipivotallyi mounted above the base andnare capable of being moved to various angles relative to: the base and a bolt vextendingv through said; base and saidarms for 'loek-ing said? guiderod: in1any of" its adjusted positions, saidt bolt. having" 

